The other side of 3.31. Those who approach this teaching with resentment, picking it apart with cynicism rather than engaging with it honestly, remain trapped. Their intellect, clouded by objections, cannot penetrate to the truth.
Krishna does not say these people are evil. He says they are vimudhah — confused, lost. Their discernment has stopped functioning. The issue is not intelligence. It is attitude. A mind closed by suspicion cannot receive even the clearest teaching. An open mind, even a slow one, eventually finds its way.